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首页> 外文期刊>Journal of prosthetics and orthotics: JPO >Initial Biomechanical Analysis and Modeling of Transfemoral Amputee Gait
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Initial Biomechanical Analysis and Modeling of Transfemoral Amputee Gait

机译：经股截肢步态的初步生物力学分析和建模

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摘要

The purpose of this study is to evaluate the effects of hydraulic knee controller deterioration on the gait of a single transfemoral amputee subject. As such, this should be considered a preliminary study. A set of gait experiments was developed and conducted to achieve this purpose. Although the subject did feel the difference between the deteriorated hydraulic controllers, no substantial deterioration trends were isolated in the kinematic or kinetic data collected at various stages of knee controller deterioration. A large variability was observed in the baseline gait trials that were recorded on different days. To eliminate the variability, a dynamic model of transfemoral amputee gait was developed based on the experimental data. The model predictions of ground reaction forces showed good agreement with experimental data. The effectiveness of the model was validated.
机译：这项研究的目的是评估液压膝关节控制器退化对单个经股截肢者步态的影响。因此，这应被视为初步研究。为了达到这个目的，开发并进行了一组步态实验。尽管受试者确实感觉到了恶化的液压控制器之间的差异，但是在膝关节控制器恶化的各个阶段收集的运动学或动力学数据中并未发现任何实质的恶化趋势。在不同日期记录的基线步态试验中观察到很大的差异。为了消除变异性，根据实验数据建立了经股截肢步态的动态模型。地面反作用力的模型预测与实验数据吻合良好。验证了模型的有效性。

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